CVE-2026-44890— Netty has Unbounded Direct Memory Consumption in its RedisDecoder
Possible ATT&CK Techniques 2AI
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I. Basic Information for CVE-2026-44890
Vulnerability Information
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Vulnerability Title
Netty has Unbounded Direct Memory Consumption in its RedisDecoder
Source: NVD (National Vulnerability Database)
Vulnerability Description
Netty is a network application framework for development of protocol servers and clients. In netty-codec-redis prior to versions 4.1.135.Final and 4.2.15.Final, an attacker can cause DoS by sending crafted Redis payloads across multiple connections without `\r\n`. This exhausts the server's direct memory pool (OutOfDirectMemoryError), preventing legitimate connections from being processed. Versions 4.1.135.Final and 4.2.15.Final patch the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Netty 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Netty是Netty社区的一款非阻塞I/O客户端-服务器框架，它主要用于开发Java网络应用程序，如协议服务器和客户端等。 Netty 4.1.135.Final之前版本和4.2.15.Final之前版本存在资源管理错误漏洞，该漏洞源于跨多个连接发送不含 的特制Redis有效载荷，可能导致服务器直接内存池耗尽，从而造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-44890
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
Qwen3.6-35B-A3B · 11779 chars
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III. Intelligence Information for CVE-2026-44890
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Vendor Advisories for CVE-2026-44890 (1)
Vendor Pages for CVE-2026-44890 (2)
Same Patch Batch · netty · 2026-06-11 · 3 CVEs total
| CVE-2026-44249 | 8.1 HIGH | Netty has an IPv6 Subnet Filter Bypass via Incorrect Comparator Masking |
| CVE-2026-44250 | 7.5 HIGH | Netty: Memory Exhaustion in RedisArrayAggregator due to Deeply Nested Arrays |
IV. Related Vulnerabilities
Same product: netty
- CVE-2026-50560
Netty susceptible to HTTP/2 Reset Attack with different on-t - CVE-2026-50020
Netty's HttpObjectDecoder skips arbitrary initial control ch - CVE-2026-50011
Netty has unbounded pre-allocation in RedisArrayAggregator f - CVE-2026-50010
Netty's wrapping plain trust manager silently disables hostn - CVE-2026-50009
Netty QUIC stateless reset token material exposed through he
Same vendor: netty
- CVE-2026-50560
Netty susceptible to HTTP/2 Reset Attack with different on-t - CVE-2026-50020
Netty's HttpObjectDecoder skips arbitrary initial control ch - CVE-2026-50011
Netty has unbounded pre-allocation in RedisArrayAggregator f - CVE-2026-50010
Netty's wrapping plain trust manager silently disables hostn - CVE-2026-50009
Netty QUIC stateless reset token material exposed through he
Same weakness: CWE-400
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Decompression Bomb Bypass via Negative max_length in Streami - CVE-2026-49293
CPU exhaustion via O(n^2) BigInt construction on radix-prefi - CVE-2026-48937
Node.js 22/24 HTTP/2服务器GoAway帧后持续接收数据漏洞 - CVE-2025-53114
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V. Comments for CVE-2026-44890
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